Improve planner cost estimations for alternative subplans

Title

Topic

Performance

Created

2020-06-05 16:10:01

Last modified

2020-11-13 14:16:53 (4 years ago)

Latest email

2020-08-28 22:38:36 (4 years, 2 months ago)

Status

2020-11: Withdrawn

2020-09: Moved to next CF

2020-07: Moved to next CF

Target version

Authors

Alexey Bashtanov (bashtanov)

Reviewers

Committer

Links

Checkout latest CFbot patchset

Go to your local checkout of the PostgreSQL repository and run:

git remote add commitfest https://github.com/postgresql-cfbot/postgresql.git
git fetch commitfest cf/2582
git checkout commitfest/cf/2582

Emails

Improve planner cost estimations for alternative subplans: First at 2020-06-05 16:08:02 by Alexey Bashtanov <bashtanov at imap.cc>
Latest at 2020-08-28 22:38:36 by Andy Fan <zhihui.fan1213 at gmail.com>
Latest attachment (v1-0001-Convert-the-AlternativeSubplan-to-Subplan-as-soon.patch) at 2020-08-17 14:12:39 from Andy Fan <zhihui.fan1213 at gmail.com>
    Attachment (v1-0001-Convert-the-AlternativeSubplan-to-Subplan-as-soon.patch) at 2020-08-17 14:12:39 from Andy Fan <zhihui.fan1213 at gmail.com> (Patch: Yes)
    Attachment (altplan-example.sql) at 2020-07-24 14:55:57 from Alexey Bashtanov <bashtanov at imap.cc> (Patch: No)
    Attachment (better-alternativesubplan-cost-ests-1.patch) at 2020-06-22 01:39:37 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (alternatives-cost-as-geom-mean-v2.patch) at 2020-06-05 16:08:02 from Alexey Bashtanov <bashtanov at imap.cc> (Patch: Yes)

History

When	Who	What
2020-11-13 14:16:53	Alexey Bashtanov (bashtanov)	Closed in commitfest 2020-11 with status: Withdrawn
2020-11-10 21:43:29	Melanie Plageman (melanieplageman)	Removed melanieplageman from reviewers
2020-10-01 04:27:54	Michael Paquier (michael-kun)	Closed in commitfest 2020-09 with status: Moved to next CF
2020-08-03 09:05:54	Daniel Gustafsson (d_gustafsson)	Closed in commitfest 2020-07 with status: Moved to next CF
2020-06-17 01:16:45	Melanie Plageman (melanieplageman)	Added melanieplageman as reviewer
2020-06-05 16:10:25	Alexey Bashtanov (bashtanov)	Changed authors to Alexey Bashtanov (bashtanov)
2020-06-05 16:10:25	Alexey Bashtanov (bashtanov)	Changed targetversion to 14
2020-06-05 16:10:01	Alexey Bashtanov (bashtanov)	Attached mail thread 07b3fa88-aa4e-2e13-423d-8389eb1712cf@imap.cc
2020-06-05 16:10:01	Alexey Bashtanov (bashtanov)	Created patch record